P1162
Air/Fuel Ratio Sensor 1 Circuit Malfunction
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine Light Is On
- Reduced engine power
- Problems starting the engine
Causes
- AFR sensor malfunction
- Open or short circuit in the circuit
- Poor contact in connectors
- ECU malfunction
- Wiring harness damage
How to Fix
- Check the continuity of the AFR sensor circuit
- Check connections and connector contacts
- Test the AFR sensor
- Replace sensor if necessary
- Check and replace wiring harness if necessary